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button cell
noun
A small coin cell
Exact(38)
About 3,500 cases of button cell battery ingestion are reported annually to poison control centers.
It opens up like an oyster, has hands that glow in the dark, but no longer ticks: now it runs silently on a button cell battery, which is included.
Data from the National Capital Poison Center in Washington found a sevenfold increase in severe complications from button cell ingestions in recent years.
Slightly larger than a fortune cookie and powered by button cell batteries, this slug can "slither" on smooth surfaces, propelled by offset wheels that give it a unique motion best described as creepy.
Because it will tolerate relatively heavy current load pulses and has a high, nearly constant 1.5-volt operating voltage, the zinc silver oxide battery is commonly used in the form of a button cell in watches, cameras, and hearing aids.
At first, button cell configurations were investigated.
Similar(21)
The most compact batteries capable of that performance were three button cells, the type usually used in watches.
Inside is a battery pack, consisting of three button cells, a pressure monitor and a radio transmitter.
The cells show almost the same performance as the smaller button cells.
Varta supply several ranges of alkaline manganese primary batteries and button cells.
The button cells are 1.5 V and cover the capacity range 18-300 mA h.
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